Rotary steam-engine



N. O S R An L Am ow N E D Y .H.. m E m M m ROTARY STEAM ENGINE.

No. 252,773. Patented Jan. 24,1882.

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PETER T. HYDEN AND ADOLPH LARSON, OF CHICAGO, ILLINOIS.

ROTARY STEAM-ENGINE.

SPECIFICATION forming part .of Letters Patent No. 252,773, dated January 24, 1882.

Application meaMay 1s, 1881. (Nomad.) i

in the construction and arrangement of parts,

as hereinaftermoret'ullydescribedand claimed.

Figurel is a side view ofour inveution,show ing port-holes for entrance 0f the steam. Fig. 2 is an inside view of cylinder B, showing steam-passage W. Fig. 3 is a sectional view on the line x a' of Fig. l with spring attachment for operating valve. Fig. 4 is a section through y y of Fig. 1. Fig. 5 is an outside View of cylinder B with the cap F removed. Fig. 6 is a section on the line z z of Fig. 2. Fig. 7 is a wheel attached to shaft E, to operate the valve attachments. Fig. 8 is a side view oi' piston. Fig. 9 is a front view of same. Fig. l() is the packing of piston.

Similar letters refer to similar parts throughout the several views.

A represents our new rotary steam-engine.

B is one ofthe cylinder-plates or ends forming the steam-chamber. O is the other cylinder-plate.

a a are holes in cylinder B for the reception of pins b b of cylinder C. B and G are put together and held by pins b b and holes a a.

Dis the piston, made in the shapeV as shown in Figs. 8 and 9.

E is the shaft which carries the piston. E passes through holes or bearings c c in the center of B and G.

d d is the packing at the end ofthe piston D.`

It is provided with rings secured by bolts or otherwise, so as to make a good packing.

F is a cap rigidly attached to outside end of cylinder B, and is provided with two inlets or openings, G G, l'or the entrance ofthe steam. G G are connected to pipe r from boiler, which pipe has a cock, t, for the purpose of shutting oftthe steam from one or the other of the inlets G G, as may be desired. The end of B is cut ont, with ledges or rests h ll i'or the cap F, and leavingbeneath F an opening, H, in which the valve L slides, and also with an opening or slit, K, in the center, in which one portion ofthe valve L moves.

L is what we call a sliding valve," and is composed of two pieces rigidly attached together at right angles. The pieces are lettered land r. l slides in H and lc in opening K.

g g are small passages from opening I-l into the inside chamber of the engine. One is on each side of slit K, and are for the passage of the steam into the inside ot' the chamber. The slit K is also in the top ot' the cylinder O at its junction with B.

M M areoutlets or exhaust-ports in G for the steam to escape, and may be placed at any convenient point on O. N is the cover or top at valve end ot' cylinders B and O, rigidly attached. W is a passage cut out curved upon the inside oi` the cylinders B and G, and is for the passage ofthe steam which works the piston.

J is a rod connected to the valve L at one end and at the other to the arm R.

O is a wheel on shaft E, and made as shown in Fig. 7.

P is a rod which works in connection with wheel O, and is connected to arm R; or P and R may be made in one piece.

s s are shoulders or bearings,'through which rod P works or slides, and against which spring T has a bearing.

T is a spiral spring around rod P, and is for vthe purpose of throwing rod P back. This attachment of rods, springs, and arms is for the purpose of moving valve L up and down. This arrangement may be ,dispensed with. In that case the piston will be made in the shape as shown by the dotted lilies in Fig. 8. The rod J will only be used. Upon it will be a spring, V. This piston will force the valve L up, and the spring will move it back.

Q Q are rings, one on each side of the piston D,whieh is grooved out, and the rings are inserted so as to project a little into grooves in B and O, and are for the purpose ot' packing. Q Q are shown in Fig. l0.

The arrangement of the cock and the two inlets is for the purpose ot' movingthe piston in either direction. If the steam is .let in IOO one port, it will move in one direction, and if let in the other port it will move in the other direction; but the steam is let in only through one. port at a time.

The manner of operation is as follows: The cylinders B and O are attached together with all the parts in their proper position. The engine is attached to the boiler and the steam turned ou. The cock tis turned so as to allow ro the steam to pass into one ofthe ports, and it passes down through passages g into theinner chamberofthecylindersand moves around the passage W, forcing the piston D before it until the steam comes to the outlet M, when it will escape, and this will revolve the piston which revolves the shaft. The wheel (Y), revolving on the shaft E, will force the rod P up, which will carry the valve L up and close the port, preventing the steam from entering,and 2o the springT will force th'e rod back,which will carry back the valve L and open the inlet-port, so that the steam may enter, and this operation can go on as long as desired. In the event the wheel O and'its connections are dispensed 23 with the piston D will force thel valve up and cose the port, and the spring V will open the same. By simply turning the cock t the steam will be let in at the other port and the direction of the movement-of the piston changed 3o immediately. The ports are open or closed by l of the valve L, l being about halfthe size of \H, so that when down it will not cover the ports, but when raised it will.

Any gearing can be attached to the shaft, and any machinery operated as may be desired.

What we claim as new and original, and dcsire to secure by Letters Patent, is-

1. In a rotary steam-engine, the cylinderplatc C, provided with pins b b, slit K, steam passage or chamber W, bearing c, outlets M M, and cover N, in combination with cylinderplate B, substantially as described and shown, and for the purpose set forth.

2. In a rotary steam-engine, the cylinderplate B, provided with holes a a, steam passage or chamber W, bearing c, slit K, steampassages g g, chamber H, ledges h h, and cap F, having inlets G G, in connection with cylieder-plate C, and in combination with valve L, substantially as described and spccifed,and for the purpose set forth.

3. The sliding valve L, composed of pieces l and k, at right angles to each other, in combination with chamber H and slit K, whereby the steam is let in and shut olf, substantially as described and shown.

4. The combination, in a rotary steam-engine, ofthe rod P, arm R, spring T, shoulders s s, rod J, and valve L, substantially as described and shown.

5. The combination, in a rotary steam-en gine, of the cylinder-plate C, provided with pins b b, slit K, steam-passage W, outlets M M, cover N, and bearing c, the cylinder-plate B, provided with holes a u, bearing c, steampassagc W, slit K, steam-passages g g, chamber H, cover N, the cap F, having inlets G G, pipe r, with regulating-cock t, valve L, having ports land k, rod J, spring V, arm R, rod P, spring T, shoulders s s, wheel O, shaft E, and piston D, having ends d d and packingrings Q Q, all substantially as described and shown, and for the purpose set forth.

PETER T. HYDEN. ADOLPH LARSON.

Witnesses:

LAURI'rz E. SANGDAHL, J. TAYLOR HAIR. 

